<template>
  <div class='icons'>
       <swiper  :options="swiperOption" v-if='iconList.length'>
        <swiper-slide v-for="(page,index) of pages" :key="index">
            <div class="icon" v-for="item of page" :key="item.id">
                <div class="icon-img">
                    <img class="icon-img-content" :src="item.imgUrl" alt="">
                </div>
                <p class="icon-desc">{{item.desc}}</p>
            </div>
        </swiper-slide>
      </swiper>

  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    iconList: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        autoplay: false,
        loop: true
      }

    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style  lang="stylus" scoped>
@import '~styles/mixins.styl'
.icons >>> .swiper-wrapper
    width: 100%;
    height 0
    padding-bottom: 50%;
.icon
    position: relative;
    overflow: hidden;
    float: left;
    width: 25%;
    padding-bottom: 25%;
    height: 0;

    .icon-img
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0.44rem;
        box-sizing: border-box;
        padding: 0.1rem;

        .icon-img-content
            display: block;
            height: 100%;
            margin: 0 auto;

    .icon-desc
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 0.44rem;
        color: #333;
        line-height: 0.44rem;
        text-align: center;
        ellipsis()

</style>
